I'm not sure what the other side would be. We have Parler's posted policies and actions so I don't know what we're missing.
To be sure I think Parler has every right to moderate as they see fit and they would be fools not to do so.
Unmoderated internet forums are generally cesspools that no one wants to spend time on.
I'm just asking those who insist that any moderation FB or Twitter does is unallowable censorship to reconsider.